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FMF Racing

XR650L '93 - '26

The PowerBomb header promotes better flow by allowing a small expansion of the exhaust gasses. The 'bomb' also acts as a pre-muffler taking the edge off of overall sound levels.

Optional Heat Shield Strip will protect your airbox from the close proximity of the hot head pipe.

Backordered: Waiting for stock from suppliers to fulfill orders placed on or after April 2025
$324.95
  • The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available
  • Constructed from aircraft grade aluminum and high strength stainless steel
  • Sound output 96dB
  • 8 pounds lighter than the stock muffler
Add Anti-Seize
Please contact us for availability information
$449.95

The Powercore 4 spark arrestor muffler. FMF developed the Powercore 4 to increase the horsepower and torque throughout the entire power curve. Highest quality packing for long life. Removable spark arrestor included. Louder than the Q4. Approximately 99db stock or about 94db with optional Quiet Insert installed.

  • Uses long-life muffler packing for increased packing life
  • Forest Service approved spark arrester
Ships same business day
$399.95